25. Complete combustion of a benzene sample under limited oxygen yielded 135 g of total product. In contrast, when the same amount of benzene was completely burned in excess oxygen, 159 g of total product was collected. In the first experiment, what was the final molar ratio of CO to CO2?
(A)CO:CO2=3:4
(B)CO:CO2=2:1
(C)CO:CO2=3:2
(D)CO:CO2 =1:1
(E)CO:CO2=3:1
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統計: A(1), B(0), C(1), D(0), E(0) #3091943
統計: A(1), B(0), C(1), D(0), E(0) #3091943